package practice1;
import java.util.Scanner;
public class DupCharsinString3 {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner s = new Scanner(System.in);
System.out.println("Enter String: ");
String str = s.nextLine();
for(int i=0;i<str.length()-1;i++)
{
for(int j=i+1;j<str.length();j++)
{
if(str.charAt(i)==str.charAt(j))
{
System.out.print(str.charAt(j));
}
}
}
}
}
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